Comparison

脳トレ21 vs ChromaBus Passenger Sort

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

脳トレ21

Features
Read full description

足して21の数字をつくれ! ブラックジャック風新感覚脳トレパズルです。 簡単操作のゲームであなたの脳年齢を診断します。 「脳トレ21」はシンプルでハマり度120%の脳トレゲームです。 操作方法は数字をタップするだけ! 遊べば遊ぶほど脳が活性化されます。 あなたの脳は何歳ですか??

About

ChromaBus Passenger Sort

A puzzle game where you guide colorful buses through traffic jams. Match buses with passengers to clear the grid and advance through challenging levels. Features include multiple themes and helpful in-game calculators.

Highlights
  • 20 challenging levels
  • FIFO waiting system
  • Multiple bus sizes and colors
  • Live passenger boarding animations
  • In-game calculators for strategy
  • Multiple visual themes
  • High score tracking
Features
Read full description

ChromaBus Passenger Sort is a puzzle game where colorful buses are stuck in traffic. Your goal is to move buses to the waiting area and match them with passengers. How to Play Tap any bus in the traffic jam to move it to the waiting area. Passengers automatically walk and board waiting buses. When a bus has 4 passengers, it exits. Clear all buses from the grid to complete each level. Game Features 20 challenging levels from Easy to Expert FIFO waiting system - first bus in is first bus out 3 different bus sizes and 6 bus colors Live passenger boarding animations Background music and sound effects 4 built-in calculators for game strategy Multiple themes (Midnight, Forest, Ocean, Sunset) Save your high scores and track progress Calculators Included Passenger Counter - calculate total passengers needed Score Calculator - estimate your potential score Bus Capacity - check remaining space on buses Level Progress - track your completion percentage Scoring Each passenger boarded: 10 points Each bus exited: 50 points Levels increase in difficulty. Can you solve all 20 traffic jams and become a master dispatcher?

Screenshots

脳トレ213 screens
ChromaBus Passenger Sort4 screens

Verdict

The call

The clearest difference is update cadence: ChromaBus Passenger Sort at fortnightly against 脳トレ21's every 3 months. 脳トレ21's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

脳トレ21 ships an update every 3 months, ChromaBus Passenger Sort fortnightly. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
脳トレ21 versus ChromaBus Passenger Sort: the parameters behind the verdict, then further details
Parameter脳トレ21ChromaBus Passenger Sort
PriceFreeFree
Rating—2.4 (7 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better17.0
Further details — not scored
Size107 MB250 MB
Age rating4+4+
DeveloperZERONECankurt Manay

In-app purchases

None

脳トレ21

No in-app purchases

None

ChromaBus Passenger Sort

No in-app purchases

Questions

Is 脳トレ21 free?
脳トレ21 is free to download, with no in-app purchases.
Is ChromaBus Passenger Sort free?
ChromaBus Passenger Sort is free to download, with no in-app purchases.
Do 脳トレ21 or ChromaBus Passenger Sort have ads?
Both 脳トレ21 and ChromaBus Passenger Sort show ads.
Which is updated more often, 脳トレ21 or ChromaBus Passenger Sort?
脳トレ21 ships an update every 3 months, and ChromaBus Passenger Sort fortnightly. Most recently, 脳トレ21 was updated on November 11, 2026 and ChromaBus Passenger Sort on November 5, 2026.

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